Talk:Coal mining in Wyoming

In what year did Wyoming produce 40% of US coal?
This is a mysterious statement for a perpetually revised encyclopedia to make: "At this point in time, around 40% of the nation's coal comes from Wyoming" At what point in time? Please name a year and give a citation. Thanks! Eperotao (talk) 18:39, 21 March 2014 (UTC)

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External links modified
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I have just modified 3 external links on Coal mining in Wyoming. Please take a moment to review my edit. If you have any questions, or need the bot to ignore the links, or the page altogether, please visit this simple FaQ for additional information. I made the following changes:
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